高低優(yōu)先級中斷應用舉例

; This program is edit by Chen Weiwu;           Date  2012/11/08  10:42:36;--------------------------------------------Led0    Bit      P1.0Led1    Bit    P1.1org    000Hajmp   main;--------------------------ORG    003HAJMP   INTERRUPT0;--------------------------ORG    013HAJMP   INTERRUPT1;-----Initiation-----InterType:  SETB   EASetb   IT0Setb   EX0CLR    PX0Setb   IT1Setb   EX1Setb   PX1      ret;--------------------   INTERRUPT0:  clr    led0jnb    int0,$RETIINTERRUPT1:  clr    led1jnb    int1,$setb      led1 RETI;--------------------            main:     acall   InterType      Mainloop:   setb   led0setb   led1Ajmp      Mainloop;--------------------        end